2 lakes in Ohio

Filter by water quality, level stability, size, and region. Every lake carries a scored profile and, where a gauge exists, live readings.

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Region

Water grade

Level stability

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Water ABCD What do these grades mean?

Water quality grade

Water A

ExcellentClear, low-nutrient water. Typically oligotrophic with high clarity and little seasonal algae.

Water B

GoodHealthy water with moderate clarity. Some seasonal variation, no persistent problems.

Water C

FairProductive water — good fishing, reduced clarity. Algae possible in late summer.

Water D

PoorNutrient-rich or heavily drawn down. Swimmable conditions vary; check before you rely on them.

Computed from measured clarity, trophic state, and drawdown magnitude — not an opinion. See the formula.

Overall score, 1–10

8.0+

ExceptionalStrong on every axis we measure.

7.0–7.9

StrongClearly above average, usually with one standout axis.

6.0–6.9

SolidA good lake with a trade-off worth understanding.

5.0–5.9

MixedReal strengths and real compromises.

Under 5

CompromisedSomething material — volatility, water quality, or access.

Weighted: water 26% · recreation 22% · investment 20% · value 18% · access 14%.

2 lakes · page 1 of 1

Water D

Lake Erie (Ohio shore)

Ohio · 6,300,000 acres

210 ft deep · 8 ft clarity

6.1

Natural 312 mi shore Great Lake

$460,000 median est. +7.5%

Water D

Grand Lake St. Marys

Ohio · 13,500 acres

7 ft deep · 2 ft clarity

5.6

Stable 52 mi shore Reservoir

$235,000 median est. +6.3%

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All 2 matching lakes plotted. Circle size reflects surface area; color reflects overall score. Click a lake to open its report.